CVE-2026-45415: Decidim

Medium severity, CVSS 6.0. EPSS: 0.4% chance of exploitation in the next 30 days.

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the /admin/csv_census/census_logs record-management endpoints do not enforce full administrator authorization before rendering or mutating Decidim::Verifications::CsvDatum, allowing a participant manager to create, alter, or remove census records. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.

Affected products

• Decidim Decidim: before 0.30.9 (fixed in 0.30.9); from 0.31.0.rc1, before 0.31.5 (fixed in 0.31.5); from 0.32.0.rc1, before 0.32.0 (fixed in 0.32.0)

Published 2026-08-06. Last modified 2026-09-08.